[Object] To provide a control device capable of effectively determining a lens position even in a case where a subject close to an image capturing device and a subject far from the image capturing device simultaneously exist in a region for detecting a phase difference between subject images. [Solution] Provided is the control device including: a calculation unit configured to calculate, on a basis of a result of capturing a subject image passed through a focus lens by using an imaging element including a plurality of phase difference detection regions, a focus position of each of the phase difference detection regions; and a determination unit configured to determine a position of the focus lens on a basis of an average value of the focus positions of the phase difference detection regions calculated by the calculation unit and falling within a predetermined range from the focus position on an infinity side or macro side.

Aspects of present disclosure relates to multi-camera stereoscopic dynamic imaging systems and methods of capturing stereoscopic dynamic images. In certain embodiments, the multi-camera stereoscopic dynamic imaging system includes: a first camera assembly, a second camera assembly optically coupled to the first camera assembly via an optical medium, a stereoscopic dynamic imaging system, and a stereoscopic dynamic image display device. The first camera assembly capture a first set of focused images and a third set of focused images of multiple objects within a visual scene and the second camera assembly captures image signal of a second set of focused images and a fourth set of focused images of the multiple objects. The image signals are transmitted to and processed by a stereoscopic dynamic imaging system to form the stereoscopic dynamic image. The stereoscopic dynamic image may be dynamically and interactively displayed by the stereoscopic dynamic image display device.

Aspects of present disclosure relates to dual camera stereoscopic dynamic imaging systems and methods of capturing stereoscopic dynamic images. In certain embodiments, a dual camera stereoscopic dynamic imaging system includes: a first camera assembly, a second camera assembly optically coupled to the first camera assembly via an optical medium to form four optical paths, a stereoscopic dynamic imaging system, and a stereoscopic dynamic image display device. The first camera assembly captures image signal of a first set and a third set of focused images of multiple objects and the second camera assembly captures image signal of a second set and a fourth set of focused images of multiple objects. The image signals are transmitted to and processed by a stereoscopic dynamic imaging system to form the stereoscopic dynamic image. The stereoscopic dynamic image may be dynamically and interactively displayed by a stereoscopic dynamic image display device.

An image pickup apparatus includes a first focus detection circuit configured to calculate an evaluation value indicative of a contrast based on an image pickup signal output by an image pickup device, a second focus detection circuit configured to perform focus detection based on phase difference detection to output a defocus amount of an image-acquiring optical system including a focus lens, and a control circuit configured to control a focusing operation of detecting a position of the focus lens where the evaluation value is indicative of an extreme value based on an output from the first focus detection circuit. Based on the defocus amount output by the second focus detection circuit, the control circuit controls initial position driving of the focus lens executed before the focusing operation is performed.

A handheld device can include an image capture subsystem and a depth sensing subsystem. The image capture subsystem includes an image capture light source operable to emit visible light and an image capture camera operable to capture an image of a scene illuminated by the visible light emitted by the visible light source. The depth sensing subsystem includes a depth light source operable to emit infrared light and a depth camera operable to capture reflected infrared light, including at least some of the infrared light emitted from the depth light source, after reflecting off objects in the scene. The image capture light source, the depth light source, and the depth camera are housed in a single integrated structure including a single transparent panel through which the visible and infrared light are emitted onto the scene, and through which the depth camera receives the reflected infrared light from the scene.

Focusing of a monitoring camera (100) with day and night functionality comprises selecting a focusing day mode or a focusing night mode based on the camera being in day mode or night mode. In focusing day mode, an IR laser range meter (110) will measure a reference distance continuously, and in the focusing night mode the IR laser range meter will only measure reference distance in response to a focus trigger signal being activated, and during a predetermined time period. The focus distance of the camera is set based on the measured reference distance.

An image pickup apparatus for simultaneously realizing a phase difference AF and a contrast AF decides a shift amount of an image signal corresponding to a focus evaluation position every exit pupil area, generates an image corresponding to an image plane position by executing an arithmetic operation processing based on the decided shift amount to the image signal, calculates an evaluation value of a contrast of the generated image, and calculates an evaluation value of a correlation between the images corresponding to the different exit pupil areas in the generated image.

The present disclosure provided are a variable focus spectacle and a method of driving the same methods. In accordance with an embodiment of the present disclosure, the variable focus spectacle includes a spectacle frame; a pair of lenses mounted on the spectacle frame, and having a plurality of refractive indexes that varies in sequential order by an applied voltage including at least two different power levels; and a refractive index adjuster for supplying the applied voltage to the pair of lenses, wherein the refractive indexes of the pair of lenses is varied at least twice per unit time according to the at least two different power levels.

A control apparatus includes a focus detector configured to perform focus detection based on an image signal obtained via a first optical system, the first optical system having a shallowest depth of field in a plurality of optical systems having focal lengths different from each other, and a controller configured to perform focus control of the plurality of optical systems based on an output signal from the focus detector.

A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer's vision correction. The lens has a prescription based on a wave front analysis of the wearer's eye and the lens can further be modified to fit within an eyeglass frame.